New open source software tomviz—short for tomographic visualization—enables researchers to interactively understand large 3D datasets. More specifically, the software analyzes 3D tomographic data similar to a medical CT-scan but at the nanoscale. "When you can take a nanoparticle or biomolecule and spin it around, slice it, look inside it, and quantitatively analyze it, you get a complete picture from all angles," says Yi Jiang, a physics Ph.D. candidate at Cornell University. Watch this 3-minute video from the Michigan Engineering department....